diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/cpu/ppc/vmreg_ppc.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/ppc/vmreg_ppc.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2013 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef CPU_PPC_VM_VMREG_PPC_HPP
+#define CPU_PPC_VM_VMREG_PPC_HPP
+
+inline bool is_Register() {
+  return (unsigned int)value() < (unsigned int)ConcreteRegisterImpl::max_gpr;
+}
+
+inline bool is_FloatRegister() {
+  return value() >= ConcreteRegisterImpl::max_gpr &&
+         value() < ConcreteRegisterImpl::max_fpr;
+}
+
+inline Register as_Register() {
+  assert(is_Register() && is_even(value()), "even-aligned GPR name");
+  return ::as_Register(value()>>1);
+}
+
+inline FloatRegister as_FloatRegister() {
+  assert(is_FloatRegister() && is_even(value()), "must be");
+  return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
+}
+
+inline bool is_concrete() {
+  assert(is_reg(), "must be");
+  return is_even(value());
+}
+
+#endif // CPU_PPC_VM_VMREG_PPC_HPP